Original Investigation

Mild Traumatic Brain Injury and Subsequent Musculoskeletal Injury in US Service Members

JAMA Network Open 10.1001/jamanetworkopen.2026.19409

June 18, 2026 at 11:00 AM EDT

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Is mild traumatic brain injury (mTBI) associated with a greater hazard of subsequent musculoskeletal injury (MSKI) among US service members?In this cohort study of 26 784 service members, mTBI was associated with a 2.24 times greater hazard of MSKI compared with no mTBI.These findings highlight the importance of focusing on MSKI risk following an mTBI event in US service members.

Corresponding Author: Alexander Ivan B. Posis, PhD, MPH, Warfighter Performance Department, Naval Health Research Center, 140 Sylvester Rd, San Diego, CA 92106 (alexanderivan.b.posis.ctr@health.mil).

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